It may be normal behavior because as per your history its happening at night only usually because neonates are active more in night.
You try to put her on tummy during discomfort ,if she feels relieved it may be Colic.
Next Steps
If it's Colic try Colimex DF drops
0.3 ml 2-3 times a day on whenever required basis.
Health Tips
Kindly consult me if not get relief.